by William
Z. Savage1, Jeffrey
A. Coe1, and Ronald
E. Sweeney2 U.S.
DEPARTMENT OF THE INTERIOR U.S.
GEOLOGICAL SURVEY PTCOUNT—A
Fortran-77 Computer Program to
Calculate the Areal Distribution of Mapped Data Points Using
Count-Circle Methodology 2001
This report is preliminary and has not
been reviewed for conformity with U.S. Geological Survey editorial
standards or with the North American
Stratigraphic Code. Any use of trade, firm, or product names is for
descriptive purposes only and does not
imply endorsement by the U.S. Government. Open-File
Report 01-0002 1Denver
Federal Center Box 25046, M.S. 966
Denver, Colorado 80225 2Denver
Federal Center Box 25046, M.S. 973
Denver, Colorado 80225
